FR2010792A1 - - Google Patents
Info
- Publication number
- FR2010792A1 FR2010792A1 FR6919596A FR6919596A FR2010792A1 FR 2010792 A1 FR2010792 A1 FR 2010792A1 FR 6919596 A FR6919596 A FR 6919596A FR 6919596 A FR6919596 A FR 6919596A FR 2010792 A1 FR2010792 A1 FR 2010792A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
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- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F10/00—Apparatus for measuring unknown time intervals by electric means
- G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73632668A | 1968-06-12 | 1968-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2010792A1 true FR2010792A1 (en) | 1970-02-20 |
Family
ID=24959446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6919596A Withdrawn FR2010792A1 (en) | 1968-06-12 | 1969-06-12 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3525039A (en) |
DE (1) | DE1929288A1 (en) |
FR (1) | FR2010792A1 (en) |
GB (1) | GB1229103A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3733475A (en) * | 1969-11-22 | 1973-05-15 | Siemens Ag | Digital pulse sequence divider |
DE2339839C2 (en) * | 1973-08-07 | 1982-06-03 | Teldix Gmbh, 6900 Heidelberg | Method for measuring the pulse repetition frequency and arrangement for carrying out the method |
US3894218A (en) * | 1974-03-14 | 1975-07-08 | Bendix Corp | Variable inverse period timer |
US4053879A (en) * | 1975-06-20 | 1977-10-11 | General Signal Corporation | Fail safe digital code rate generator |
FR2458815A1 (en) * | 1979-06-12 | 1981-01-02 | Alsthom Atlantique | Pulse train frequency digital measuring system - uses clock pulse generator with specified frequency, counts generator pulses and derives frequency by inversion |
US5077519A (en) * | 1990-09-28 | 1991-12-31 | Chrysler Corporation | Pulse period to frequency conversion system |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2933249A (en) * | 1955-11-02 | 1960-04-19 | Gen Dynamics Corp | Accumulator |
GB1045975A (en) * | 1963-06-28 | 1966-10-19 | Atomic Energy Authority Uk | Period meter and logarithmic ratemeter |
-
1968
- 1968-06-12 US US736326A patent/US3525039A/en not_active Expired - Lifetime
-
1969
- 1969-06-04 GB GB1229103D patent/GB1229103A/en not_active Expired
- 1969-06-10 DE DE19691929288 patent/DE1929288A1/en active Pending
- 1969-06-12 FR FR6919596A patent/FR2010792A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US3525039A (en) | 1970-08-18 |
DE1929288A1 (en) | 1969-12-18 |
GB1229103A (en) | 1971-04-21 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |